Cleaning old data from artists indexes

domain/index.go

@@ -27,4 +27,5 @@ type ArtistIndexRepository interface {
 	Put(m *ArtistIndex) error
 	Get(id string) (*ArtistIndex, error)
 	GetAll() (ArtistIndexes, error)
+	DeleteAll() error
 }

persistence/index_repository.go

@@ -37,4 +37,13 @@ func (r *artistIndexRepository) GetAll() (domain.ArtistIndexes, error) {
 	return indices, err
 }
 
+func (r *artistIndexRepository) DeleteAll() error {
+	var empty domain.ArtistIndexes
+	_, err := r.purgeInactive(empty, func(e interface{}) string {
+		return e.(domain.ArtistIndex).Id
+	})
+
+	return err
+}
+
 var _ domain.ArtistIndexRepository = (*artistIndexRepository)(nil)

scanner/importer.go

@@ -317,6 +317,7 @@ func (i *Importer) findGroup(ig utils.IndexGroups, name string) string {
 }
 
 func (i *Importer) saveIndex(artistIndex map[string]tempIndex) error {
+	i.idxRepo.DeleteAll()
 	for k, temp := range artistIndex {
 		idx := &domain.ArtistIndex{Id: k}
 		for _, v := range temp {